#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
	char arr[100];
	int i = 0;
	int flag = 0;
	while (scanf("%c\n", &arr[i])==1)
	{
		arr[i] += 32;
		i++;
		flag++;
	}
	for (i = 0; flag > 0; i++, flag--)
	{
		printf("%c\n", arr[i]);
	}
	return 0;
}